Cycles bake normal image is distorted
You're currently baking the high-poly object to itself, which will give weird result as the surface that will scan the high-poly is the high-poly itself, you'd better bake the high-poly to the low-poly:

Select the high-poly, shift select the low-poly
Enable Selected to Active
As the high-poly is a bit bigger give it a bit of Extrusion and Ray Distance, not too much, the value is in scene units


What it gives: